Hozelock Ecomax 4500 Combined Filter And UVC Code: 1358 Ecomax combined filter and uvc is a highly efficient mechanical and biological filter for garden fish ponds. The incorporation of spinning water in the uv chamber, an oxygenating venturi, extra biomedia and bottom up water flow all result in the filter being capable of supporting a greater fish stock than the Ecopower filter. Max Litres: 4500ltr (1000 Gallons) Max Fish CM: 212cm (6' 10'') LPH: 2250LPH (500 GPH) UVC: 8W Pipe Size: 20-25mm Price: £55.31 (Excluding VAT at 17.5%) Quantity: